package com.luo.test;

/*
 * TableEditor example snippet: edit the text of a table item (in place)
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.custom.*;
import org.eclipse.swt.events.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

public class Table10 {

	public static void main(String[] args) {
		Display display = new Display();
		Shell shell = new Shell(display);
		shell.setLayout(new FillLayout());
		final Table table = new Table(shell, SWT.FULL_SELECTION | SWT.HIDE_SELECTION);
		TableColumn column1 = new TableColumn(table, SWT.NONE);
		TableColumn column2 = new TableColumn(table, SWT.NONE);
		for (int i = 0; i < 10; i++) {
			TableItem item = new TableItem(table, SWT.NONE);
			item.setText(new String[] {"item " + i, "edit this value"});
		}
		column1.pack();
		column2.pack();
		
		final TableEditor editor = new TableEditor(table);
		//The editor must have the same size as the cell and must
		//not be any smaller than 50 pixels.
		editor.horizontalAlignment = SWT.LEFT;
		editor.grabHorizontal = true;
		editor.minimumWidth = 50;
		// editing the second column
		final int EDITABLECOLUMN = 1;
		
		table.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				// Clean up any previous editor control
				Control oldEditor = editor.getEditor();
				if (oldEditor != null) oldEditor.dispose();
		
				// Identify the selected row
				TableItem item = (TableItem)e.item;
				if (item == null) return;
		
				// The control that will be the editor must be a child of the Table
				Text newEditor = new Text(table, SWT.NONE);
				newEditor.setText(item.getText(EDITABLECOLUMN));
				newEditor.addModifyListener(new ModifyListener() {
					public void modifyText(ModifyEvent me) {
						Text text = (Text)editor.getEditor();
						editor.getItem().setText(EDITABLECOLUMN, text.getText());
					}
				});
				newEditor.selectAll();
				newEditor.setFocus();
				editor.setEditor(newEditor, item, EDITABLECOLUMN);
			}
		});
		shell.setSize(300, 300);
		shell.open();
		
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}
}
